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21. STScI- PRC99-10: Hubble's Infrared Galaxy Gallery
STScI-PRC99-10 . ... Astronomers have used the NASA Hubble Space Telescope to produce an infrared "photo essay" of spiral galaxies. By penetrating the dust clouds swirling around the centers of these galaxies, the telescope’s infrared vision is offering fresh views of star birth. These six images, taken with the Near Infrared Camera and Multi-Object Spectrometer, showcase different views of spiral galaxies, from a face-on image of an entire galaxy to a close-up of a core. ... Gallery | ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Seriegal_1-6.html -- 9.2 Кб -- 04.03.2001
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22. APOD: December 18, 1998 - TT Cygni: Carbon Star
... December 18, 1998 . TT Cygni: Carbon Star . ... This false-color picture of TT Cyg was made using a coordinated array of millimeter wavelength radio telescopes and shows radio emission from carbon monoxide (CO) molecules in the surrounding gas. ... Carbon stars loose a significant fraction of their total mass in the form of a stellar wind which ultimately enriches the interstellar gas - the source of material for future generations of stars . ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap981218.html -- 4.6 Кб -- 02.10.2012
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23. Digital Stellar Spectra
Since the light from galaxies represents the integrated contribution of its consitutient stars, then we can learn about stellar populations in galaxies by modelling their light by summing up individual stellar spectra for different kinds of stars. ... The data cover the wavelength range 3500 - 9000 angstroms. ... Retrieve Digital Stellar Spectra Click on the appropriate spectral type. ... Note that the designation V means main sequence, IV means subgiants, III means giants, I means supergiant. ...
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Ссылки http://zebu.uoregon.edu/spectra.html -- 5.7 Кб -- 24.03.1999
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24. Detection of Radio Transients and Variable Radio Sources Using the Archive Data
... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2016/Zhelenkova/ -- 6.9 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Zhelenkova/ -- 6.9 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Zhelenkova/ -- 6.9 Кб -- 10.04.2016
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25. ALMA Phase Calibration Techniques at the Cavendish Astrophysics Group
ALMA | ... In this section, we explain why we need to correct phase fluctuations and ALMA's strategy to do this. Rapid fluctuations will be corrected with water vapour radiometers (WVRs). The Cavendish Astrophysics Group was also a leading contributor to the ALMA prototype WVRs, which were put through their paces in tests at the Submillimeter Array (SMA). ... The Cavendish Astrophysics Group in partnership with the Onsala Space Observatory built two prototype WVRs for the ALMA project. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/alma/fp6/wvr.html -- 11.0 Кб -- 29.03.2012
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26. (Untitled)
This section of AMPLE enables one to make ephemeris calculations in various coordinate systems (spherical, rectangular) connected with different main planes (equator, ecliptic, horizon) and having origin in different points: geocenter, any point on the Earth surface, the Sun, any major planet, any minor planet. The choice of some minor planet as a center gives possibility to find approaches of the minor planet with any set of major planets and minor planets. ... equinox . 1950 2000 true . ...
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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user9nz7.htm -- 6.7 Кб -- 10.04.2016
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27. The Photometric Performance of the NICMOS Grisms
Next: ST-ECF Grism Spectrum Software Up: NICMOS Data Calibration and Previous: Photometric Performance of NICMOS . ... Wavelength Calibration of NICMOS Grisms . ... This article describes the wavelength and throughput calibration of the grisms and discusses the photometric performance of the NICMOS grism mode. ... The resolution of the first order spectra on all grisms is about 200 per pixel. ... Spectra were extracted for bright objects with both first and second order spectra on single grism images. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node12.html -- 21.2 Кб -- 12.06.2006
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28. A computer controlled low light photometer for nightglow observations
A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...
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Ссылки http://space.univ.kiev.ua/~lapchuk/Photometer.htm -- 15.9 Кб -- 21.02.2000
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29. Atmospheric influence on the different radioengineering systems functioning.
. ATMOSPHERIC INFLUENCE ON THE DIFFERENT RADIO-ENGINEERING . SYSTEM FUNCTIONING . The calculations of the atmospheric impact on terrestrial and satellite communication links with frequencies above 10 GHz using the ITU-R data bank. The correction of the Earth cover optical images obtained from the satellite/ . The Earth atmospheric influence on the radiowave propagation parameters in wide frequency range (from SLF to UV). Contact e-mail: . Pozhidayev Victor, Ph.D - vic@cplire.ru . © IRE RAS 1996-20 11
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Ссылки http://www.cplire.ru/html/atm/index.html -- 10.3 Кб -- 18.10.2011
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30. Parallax
... The greater the distance, the smaller the parallax. ... That triangle has the same proportions as the much larger triangle ABC, and therefore, if the distance B'C to the thumb is 10 times the distance A'B' between the eyes, the distance AC to the far landmark is also 10 times the distance AB. ... The most distant objects our eyes can see are the stars, and they are very far indeed: light which moves at 300,000 kilometers (186,000 miles) per second, would take years, often many years, to reach them. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Sparalax.htm -- 7.1 Кб -- 21.12.2007
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31. ASP: Maria and Eric Muhlmann Award
Past Maria and Eric Muhlmann Award recipients . ... The Maria and Eric Muhlmann Award of the ASP is given annually for recent significant observational results made possible by innovative advances in astronomical instrumentation, software, or observational infrastructure. ... Nominations . ... Letters of nomination must be received in the office of the Astronomical Society of the Pacific on or before 1 January of 2013 . ... The Award . ... Submitting Nominations . ... Maria and Eric Muhlmann Award . ...
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Ссылки http://www.astrosociety.org/membership/awards/muhlmann.html -- 8.1 Кб -- 11.10.2012
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32. Influence of Climate Variables on Tree-Ring Widths of Different Species
... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...
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Ссылки http://star.arm.ac.uk/annrep/annrep2004/node36.html -- 7.1 Кб -- 19.04.2005
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33. http://www.inasan.rssi.ru/~akimkin/papers/PPN.pdf
... 365368, ISSN 1055-6796, Photo copying p ermitted by license only, c Cambridge Scientific Publishers Distance scale calibration from kinematic analysis of an ensemble of the galactic planetary nebulae V.V. Akimkin1, I.I. Nikiforov2, A.F. Kholtygin 1 2 2 Astronomical Institute of the Russian Academy of Sciences, Russia Sobolev Astronomical Institute of St. Petersburg State University, Russia Received 1 February, 2012 We study the kinematics of ensembles of planetary ...
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Ссылки http://www.inasan.rssi.ru/~akimkin/papers/PPN.pdf -- 117.9 Кб -- 12.03.2013
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34. Description of different types of shell
. There are several different shells available for Unix; the most popular are described here. You can use any one of these shells if they are available on your system. And you can switch between the different shells once you have found out if they are available. Bourne shell (sh) . C shell (csh) . TC shell (tcsh) . Korn shell (ksh) . Bourne Again SHell (bash) .
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Ссылки http://comet.sai.msu.ru/UNIXhelp/shell/oview2.html -- 2.2 Кб -- 17.01.1997
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35. AstroCC - A Coordinate Converter for Astronomy
... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...
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Ссылки http://www.astro.louisville.edu/software/astrocc/ -- 4.1 Кб -- 17.03.2016
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36. http://www.issp.ac.ru/iao/2015/booklet/b11_ia15_p_en_b.pdf
... The extinction in terrestrial atmosphere. ... A star was observed at different zenith distances during one night at the Engelgardt's Astronomical Observatory in the program of atmospheric extinction study at blue. ... Calculate the air mass for given zenith distances in 1st 54.9 11800 column, and write the result into the 2nd column. ... Spectral observations. ... Calculate the radial velocity Vr of the star on each date, the results of measurements and write calculations into the table. ...
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Ссылки http://www.issp.ac.ru/iao/2015/booklet/b11_ia15_p_en_b.pdf -- 169.3 Кб -- 03.12.2015
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37. Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/h' F2
... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...
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Ссылки http://www.wdcb.ru/stp/data/Images_of_f-plots/TABL/Tables%20of%20different%20Parameters/h'%20F2/ -- 3.9 Кб -- 03.02.2013
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38. Different Fortran standards
... Fortranљ66 . ... Fixed form . ... Whole Fortranљ66 . ... Continuation line indicated in column 6 . ... Blank line as comment . ... Extension in Unix .f .f .f .f90 .f .f90 . Extension in DOS .FOR .FOR .FOR .F90 .FOR .F90 . ... This applies to both fixed form and free form source code. ... Fixed form of the source code is discouraged in Fortran 95! ... In UNIX there is no concept called extension, and the extensions are not specified in the Fortran standard, but in informal manufacturer standards. ...
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Ссылки http://star.arm.ac.uk/f77to90/c18.html -- 3.7 Кб -- 17.02.1996
[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c18.html -- 3.7 Кб -- 17.02.1996
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[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c18.html -- 3.7 Кб -- 17.02.1996
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39. There Are Two Different Situations Here! - an Astronomy Net Blackholes Forum
Blackholes Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums | Blackholes I | ... There Are Two Different Situations Here! Forum List | ... Back to Thread Topics | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/blackholes/messages/6631.shtml -- 14.3 Кб -- 09.04.2016
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40. Презентация PowerPoint
... Since GCVS IV, there was no new GCVS edition. ... Main reasons for the automatic-survey new variables remaining outside the GCVS for a long time: different level of detail of the classification systems, no perfect software for automatic classification available; individual approach to each star that was always used in the GCVS cannot be applied any longer, but the experience of automatically- updated catalogs evidences for the number of errors ...
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Ссылки http://www.sai.msu.su/groups/cluster/gcvs/future/iaupraha.files/slide0004.htm -- 7.3 Кб -- 04.09.2006
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